Plant Functions
Learn about the important plant functions of photosynthesis, respiration and transpiration
Yetong Dong
Research Assistant/Graduate Student
I am studying to become a scientific researcher.
Light & Plants
Learn about the process of photosynthesis and how it is affected by light levels.
Specialized Cells of the Leaf System
Learn about the structure and function of the cells in leaves.
Musculoskeletal Systems in the Animal Kingdom
Learn how animals move themselves with the help of their muscles and skeletons.
Respiratory System in Vertebrate Animals
Learn about how different animals breathe, from fish to humans.
Query a Career Profile
Students will explore career profiles and relate them to what they are learning in science class.
You Be the Crime Scene Investigator
Students will learn about crime scene investigation and its connections to cell biology and careers.
Heather E. McFarlane
Assistant Professor & Canada Research Chair in Plant Cell Biology
Heather R. McFarlane is an Assistant Professor & Canada Research Chair in Plant Cell Biology for the University of Toronto.
Osmosis and Its Role in Human Biology and Health
Learn how and where osmosis takes place in the digestive system and excretory system and the role of osmosis in kidney dialysis.
How Do Trees Survive in Winter?
What adaptations and processes do trees in northern climates have to survive winter?
Plant Cell Structures and Functions
Learn about the many different structures that make up plant cells as well as what differentiates plant cells from animal cells.
The Wacky History of Cell Theory
It took several scientists building on each other’s discoveries to come up with Cell Theory - one of the cornerstones of biology.
![Mitosis of kidney cells © Ian P Newton & Paul L Appleton [CC BY-SA 4.0], Wikimedia Commons](/sites/default/files/styles/resource_card_image_360x300_/public/2019-08/600px-Mitotic_MDCKs.jpg?itok=VLMyMgJd)
What is Mitosis?
Mitosis is an important part of cell division that helps organisms grow and repair themselves.
How Do Plants Survive in the Desert?
Plants need to exchange gases and water with their environment as part of photosynthesis. Some plant cells have evolved specifically for this purpose.